package com.shuwa.myinterceptor;

import com.shuwa.pojo.Users;
import org.springframework.web.servlet.HandlerInterceptor;
import org.springframework.web.servlet.ModelAndView;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

public class MyInterCeptor implements HandlerInterceptor {

    @Override
    public boolean preHandle(HttpServletRequest httpServletRequest, HttpServletResponse httpServletResponse, Object o) throws Exception {
        Integer userid=(Integer) httpServletRequest.getSession().getAttribute("userid");
        if(userid!=null)
        {
            return true;
        }else{
       //  String json="{ \"error\":\"未登录\"} ";
            httpServletResponse.sendRedirect("/user/unlogged");
            return false;
        }

    }

    @Override
    public void postHandle(HttpServletRequest httpServletRequest, HttpServletResponse httpServletResponse, Object o, ModelAndView modelAndView) throws Exception {

    }

    @Override
    public void afterCompletion(HttpServletRequest httpServletRequest, HttpServletResponse httpServletResponse, Object o, Exception e) throws Exception {

    }
}
